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zinc sulfide |
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zinc sulfide [′ziŋk ′səl‚fīd] (inorganic chemistry) ZnS A yellowish powder that is insoluble in water, soluble in acids; exists in two crystalline forms (alpha, or wurtzite, and beta, or sphalerite); beta becomes alpha at 1020°C, and sublimes at 1180°C; used as a pigment for paints and linoleum, in opaque glass, rubber, and plastics, for hydrosulfite dyeing process, as x-ray and television screen phosphor, and as a fungicide. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Zinc metal is most commonly extracted from zinc sulphide mineral (sphalerite) concentrates that are produced at various mines by flotation," Leroux explains. 90 m-thick zone of semi-massive and disseminated sulphide (approximately 25%) with a much higher content of copper and zinc sulphides. In addition, it has a freeze point below minus 45 degrees Celsius, has a non-toxic zinc sulphide by-product and has a mild odour. |
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